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1

Chu Shogi

Black:
White:



Orientation:
Scale:

Render as:
Shape:

Piece Set:

Background:

a Chu Shogi problem from this position.

Rules of Chu Shogi

k
King
The King may move one space in any direction, including into check. The object is to capture the King (and the Crown Prince, if there is one).
ln
Lion
The Lion moves twice in a row to an adjacent square, maybe capturing on one or both of these moves, or leaps directly over pieces as a Knight, an Alfil or a Dabbabah. There are special rules relating to the capture of a Lion.
fk
Free King
The Free King moves as a Chess Queen.
dk
Dragon King
The Dragon King moves as a Chess Rook or one space diagonally. When entering, exiting, or moving within the promotion zone, it may promote to a Soaring Eagle. se$
Soaring Eagle
The Soaring Eagle moves as a Chess Queen orthogonally or diagonally backward, or diagonally forward as the Lion.
dh
Dragon Horse
The Dragon-Horse moves as a Chess Bishop or one space orthogonally. When entering, exiting, or moving within the promotion zone, it may promote to a Hornet Falcon. hf$
Hornet Falcon
The Hornet Falcon moves as a Chess Queen diagonally or orthogonally backward or sideways, or orthogonally forward as the Lion.
r
Rook
The Rook moves as a Chess Rook. When entering, exiting, or moving within the promotion zone, it may promote to a Dragon King. dk$
Dragon King (after promotion)
The Dragon King moves as the Rook or one space diagonally.
b
Bishop
The Bishop moves as a Chess Bishop. It may not leap over pieces. When entering, exiting, or moving within the promotion zone, it may promote to a Dragon Horse. dh$
Dragon Horse (after promotion)
The Dragon Horse moves as the Bishop or one space orthogonally.
vm
Vertical Mover
The Vertical Mover moves one square orthogonally sideways or any number of squares orthogonally forwards or backwards. When entering, exiting, or moving within the promotion zone, it may promote to a Flying Ox. fo$
Flying Ox
The Flying Ox moves any number of squares diagonally or orthogonally forwards or backwards.
sm
Side Mover
The Side Mover moves one square orthogonally forwards or backwards or any number of squares orthogonally sideways. When entering, exiting, or moving within the promotion zone, it may promote to a Free Boar. fb$
Free Boar
The Free Boar moves any number of squares diagonally or orthogonally sideways.
ky
Kylin
The Kylin moves as the Firz or the Dabbabah. When entering, exiting, or moving within the promotion zone, it may promote to a Lion. ln$
Lion (after promotion)
The Lion moves twice in a row to an adjacent square, maybe capturing on one or both of these moves, or leaps directly over pieces as a Knight, an Alfil or a Dabbabah. There are special rules relating to the capture of a Lion.
ph
Phoenix
The Phoenix moves as the Wazir or the Alfil. When entering, exiting, or moving within the promotion zone, it may promote to a Free King. fk$
Free King (after promotion)
The Free King moves a Chess Queen.
de
Drunk Elephant
The Drunk Elephant moves one space in any direction, except orthogonally backwards. When entering, exiting, or moving within the promotion zone, it may promote to a Crown Prince. cp$
Crown Prince
The Crown Prince may move one space in any direction, including into check. The object is to capture the Crown Prince (and the King, if there is still one).
bt
Blind Tiger
The Blind Tiger moves one space in any direction, except orthogonally forwards. When entering, exiting, or moving within the promotion zone, it may promote to a Flying Stag. fs$
Flying Stag
The Flying Stag moves any number of squares orthogonally forwards or backwards or one square in the other directions.
g
Gold General
The Gold General moves one space in any forward or orthogonal direction. When entering, exiting, or moving within the promotion zone, it may promote to a Rook. r$
Rook (after promotion)
The Rook moves as a Chess Rook.
fl
Ferocious Leopard
The Ferocious Leopard moves one square in any of the forward or backwards directions. When entering, exiting, or moving within the promotion zone, it may promote to a Bishop. b$
Bishop (after promotion)
The Bishop moves as a Chess Bishop.
s
Silver General
The Silver General moves one space in any forward direction or diagonally backwards. When entering, exiting, or moving within the promotion zone, it may promote to a Vertical Mover. vm$
Vertical Mover (after promotion)
The Vertical Mover moves one square orthogonally sideways or any number of squares orthogonally forwards or backwards.
c
Copper General
The Copper general moves one space in any forward direction or orthogonal backwards. When entering, exiting, or moving within the promotion zone, it may promote to a Side Mover. sm$
Side mover (after promotion)
The Side Mover moves one square orthogonally forwards or backwards or any number of squares orthogonally sideways.
rc
Reverse Chariot
The Reverse Chariot moves any number of spaces vertically (forwards or backwards). When entering, exiting, or moving within the promotion zone, it may promote to a Whale. w$
Whale
The Whale moves any number of squares backwards or orthogonally forwards.
l
Lance
The Lance moves any number of spaces vertically forwards. When it moves into or within the promotion zone, it may promote to a White Horse. When it reaches the last rank, it must promote. wh$
White Horse
The White Horse moves any number of squares forwards or orthogonally backwards.
gb
Go-Between
The Go-Between moves one space vertically (forwards or backwards). When entering, exiting, or moving within the promotion zone, it may promote to a Drunk Elephant. de$
Drunk Elephant (after promotion)
The Drunk Elephant moves one space in any direction, except orthogonally backwards.
p
Pawn
The Pawn moves one space vertically forward. When it moves to the 9th row, it may promote to a Tokin. When it moves to the 10th or 11th row, it may not promote. When it reaches the last rank, it must promote. p$
Tokin
The Tokin moves as a Gold General.

Promotions

Certain pieces may promote by entering, exiting, or moving within the promotion zone, which is for each player the last four ranks from his own perspective. Only Kings, Free Kings, Lions, and already promoted pieces don't get to promote. What each piece promotes to is described in the piece descriptions.
If one of your pieces does not promote on the turn on which it enters the promotion zone, then that piece may not promote on your next turn unless it makes a capture on that turn. On subsequent turns, however, a piece other than the Pawn may promote whether it makes a capture or not, provided that it makes a move partly or entirely within the promotion zone.
A Lance or a Pawn on its last row must promote.

Special rules for Lion captures

A Lion may capture a Lion only if one of the three following conditions is met

When a Lion has just been captured, his owner may recapture a Lion only with a Lion.

Miscellaneous

As in Chess, the object is to checkmate the enemy King. Unlike Chess, Black moves first.

Notation

You should be aware that Game Courier's notation is not identical with standard Shogi notation. Game Courier has been designed for general use with any of several different Chess variants, and it accordingly uses a generic system of notation. This system is described in detail in the User's Guide. Here are the basics you need to know. Move a piece by writing its present coordinate, a hyphen, and its destination coordinate. For example, "8h-2b". As a courtesy to your opponent, and for the sake of some extra move checking, identify which piece you're moving before writing the move, as in "b 8h-2b". Use lowercase letters for Black pieces and uppercase letters for White pieces. Promote a piece by adding the type of piece it promotes to onto the space it just moved to, as in "b 8h-2b; h-2b". The label used for each piece is given in a table at the bottom of this page.

How to Move Pieces

Full Algebraic Notation

Algebraic notation identifies each space by a coordinate that begins with its file label and ends with its rank label. On the Chess board, files go up and down from one player to the other, and ranks go from left to right. In most games, files are represented by letters, and ranks are represented by numbers, but there is no fixed rule requiring this for all games, and some games, such as Shogi, reverse this convention. If you look at the diagram, you will usually see the file labels going from left to right and the file labels going up and down. And if you hover your mouse over a space, you will normally see the name of the coordinate appear in a tooltip.

It is not uncommon to see algebraic notation being used for Chess, but it is often in an abbreviated format that requires you to know both the rules of the game and the current position to know exactly which piece moves where. For example, the notation "Ne6" indicates that a Knight is moving to e6, but it doesn't indicate which Knight, and it doesn't specify where the Knight is coming from. To figure this out, you need to know how a Knight moves and which Knight on the board can make a legal move to e6.

Although rules may be programmed for individual games, Game Courier itself does not know the rules of any game, and it is unable to parse abbreviated algebraic notation. Therefore, it relies on full algebraic notation, which completely specifies the move without requiring any knowledge of the game's rules or the current position. The most usual type of full algebraic notation indicates the piece that is moving by its label, the space it is moving from, and the space it moving to. In Chess, a typical first move might be written as "P e2-e4". When you hover your mouse over a piece, you will normally see the piece label followed by the coordinate for the space, and when you hover it over an empty space, you will normally see the coordinate label. Including the piece label in your notation allows Game Courier to check that the piece you're moving is the right one, and it makes game notation easier to follow, but it is not mandatory.

You may promote a piece by including a promotion move after your regular move. A promotion move has a piece go directly to a coordinate. Here is an example: "p e7-e8; q-e8".

You may remove a piece from a space by adding an @ to the space or by omitting the destination coordinate. For example, both "@-e4" and "e4-" would remove the piece on "e4". This is useful for en passant when you are playing a game that does not handle this automatically. For example, "P d5-e6; e5-" removes the Pawn on e5 after a Pawn moves from d5 to e6.

You will not need to remove spaces for most games, but if you should need to, you can do this by omitting the first coordinate in a move. For example, "-e4" would remove e4 from the board. To add or return a space to the board, you may add an @ or any other piece to it.

Available Pieces

Pieces are represented by labels, usually using uppercase letters for White and lowercase letter for Black. When you enter a move or specify the starting position for a game, you should remember that piece labels are case-sensitive. Many piece sets are available for use with Game Courier, and this table shows you which pieces belong to the piece set you are currently using.

The inclusion of a piece does not indicate that it is used in the game you are playing. But if your game uses pieces not included here, you should choose a different piece set.

Bishop_B.gif
B
PBishop_B.gif
B$
Tiger_B.gif
BT
Copper_B.gif
C
Prince_B.gif
CP$
Elephant_B.gif
DE
PElephant_B.gif
DE$
Horse_B.gif
DH
PHorse_B.gif
DH$
Dragon_B.gif
DK
PDragon_B.gif
DK$
Boar_B.gif
FB$
FreeKing_B.gif
FK
PFreeKing_B.gif
FK$
Leopard_B.gif
FL
Ox_B.gif
FO$
Stag_B.gif
FS$
Gold_B.gif
G
GoBetween_B.gif
GB
Falcon_B.gif
HF$
King_B.gif
K
Kylin_B.gif
KY
Lance_B.gif
L
Lion_B.gif
LN
PLion_B.gif
LN$
Pawn_B.gif
P
Tokin_B.gif
P$
Phoenix_B.gif
PH
Rook_B.gif
R
PRook_B.gif
R$
Reverse_B.gif
RC
Silver_B.gif
S
Eagle_B.gif
SE$
Side_B.gif
SM
PSide_B.gif
SM$
Vertical_B.gif
VM
PVertical_B.gif
VM$
Whale_B.gif
W$
WHorse_B.gif
WH$
Bishop_W.gif
b
PBishop_W.gif
b$
Tiger_W.gif
bt
Copper_W.gif
c
Prince_W.gif
cp$
Elephant_W.gif
de
PElephant_W.gif
de$
Horse_W.gif
dh
PHorse_W.gif
dh$
Dragon_W.gif
dk
PDragon_W.gif
dk$
Boar_W.gif
fb$
FreeKing_W.gif
fk
PFreeKing_W.gif
fk$
Leopard_W.gif
fl
Ox_W.gif
fo$
Stag_W.gif
fs$
Gold_W.gif
g
GoBetween_W.gif
gb
Falcon_W.gif
hf$
King_W.gif
k
Kylin_W.gif
ky
Lance_W.gif
l
Lion_W.gif
ln
PLion_W.gif
ln$
Pawn_W.gif
p
Tokin_W.gif
p$
Phoenix_W.gif
ph
Rook_W.gif
r
PRook_W.gif
r$
Reverse_W.gif
rc
Silver_W.gif
s
Eagle_W.gif
se$
Side_W.gif
sm
PSide_W.gif
sm$
Vertical_W.gif
vm
PVertical_W.gif
vm$
Whale_W.gif
w$
WHorse_W.gif
wh$

Credits

Game Courier was created, programmed and written by Fergus Duniho.

Game Courier, Copyright © Fergus Duniho, 2001-2017


WWW Page Created: 15 August 2001

Kibbitzing Etiquette

Kibbitzing is the practice of commenting on a game you are not playing. In commenting on a game, please follow these rules of etiquette.

(1) If you notice that someone has made an illegal move, please mention it. Some Game Courier presets cannot enforce rules, but Game Courier does enable players to take back any previous move. Details on how to take back a move are provided in the User's Guide, linked to above the board.

(2) Unless otherwise specifically asked to, do not offer hints or suggestions to players on what moves they should make. In general, avoid coaching comments.

(3) Once a game is over, it should be alright to offer your analysis of the game and your specific comments on what moves players should have made. If some players don't want this, they may mention it in the Kibbitzing section, and you should honor this request by not commenting on the game.

(4) Be polite. At the appropriate time, offer any criticism you have in a constructive manner. Avoid heckling players for bad moves.

(5) Don't spam this space with irrelevant comments. If you have a comment about Game Courier, rather than about the specific game you're viewing, please post it on Game Courier's Index page to give it.